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Finding the Fourth Proportional to 234,412.55, 323,489.01 and 126,983.01

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Solution

The fourth proportional to 234,412.55, 323,489.01 and 126,983.01 is: 175,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,412.55 : 323,489.01 = 126,983.01 : x
  2. Step 2: Convert to fraction form
    234,412.55/323,489.01 = 126,983.01/x
  3. Step 3: Cross multiply
    234,412.55x = 323,489.01 × 126,983.01
  4. Step 4: Simplify right side
    234,412.55x = 41,077,607,347.09
  5. Step 5: Solve for x
    x = 41,077,607,347.09/234,412.55
  6. Step 6: Final answer
    x = 175,236.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.